Change scoped_ptr to std::unique_ptr in //net/disk_cache.

net/disk_cache/blockfile/in_flight_backend_io.h

Index: net/disk_cache/blockfile/in_flight_backend_io.h
diff --git a/net/disk_cache/blockfile/in_flight_backend_io.h b/net/disk_cache/blockfile/in_flight_backend_io.h
index 5ac0bf442356a091c1f70ce383e03f85cc3794d3..e1456ceadfcbb5d8dce81799c19e232dc94d2245 100644
--- a/net/disk_cache/blockfile/in_flight_backend_io.h
+++ b/net/disk_cache/blockfile/in_flight_backend_io.h
@@ -61,7 +61,7 @@ class BackendIO : public BackgroundIO {
   void DoomEntriesSince(const base::Time initial_time);
   void CalculateSizeOfAllEntries();
   void OpenNextEntry(Rankings::Iterator* iterator, Entry** next_entry);
-  void EndEnumeration(scoped_ptr<Rankings::Iterator> iterator);
+  void EndEnumeration(std::unique_ptr<Rankings::Iterator> iterator);
   void OnExternalCacheHit(const std::string& key);
   void CloseEntryImpl(EntryImpl* entry);
   void DoomEntryImpl(EntryImpl* entry);
@@ -140,7 +140,7 @@ class BackendIO : public BackgroundIO {
   base::Time initial_time_;
   base::Time end_time_;
   Rankings::Iterator* iterator_;
-  scoped_ptr<Rankings::Iterator> scoped_iterator_;
+  std::unique_ptr<Rankings::Iterator> scoped_iterator_;
   EntryImpl* entry_;
   int index_;
   int offset_;
@@ -180,7 +180,7 @@ class InFlightBackendIO : public InFlightIO {
   void CalculateSizeOfAllEntries(const net::CompletionCallback& callback);
   void OpenNextEntry(Rankings::Iterator* iterator, Entry** next_entry,
                      const net::CompletionCallback& callback);
-  void EndEnumeration(scoped_ptr<Rankings::Iterator> iterator);
+  void EndEnumeration(std::unique_ptr<Rankings::Iterator> iterator);
   void OnExternalCacheHit(const std::string& key);
   void CloseEntryImpl(EntryImpl* entry);
   void DoomEntryImpl(EntryImpl* entry);